coolguy4227 coolguy4227
  • 24-06-2019
  • Mathematics
contestada

Find the distance between K(9, 2) and 1(-3, 9) to the
nearest tenth.
A) 12.5
B) 13.8
C) 13.9
D) 19.3

Respuesta :

altavistard
altavistard altavistard
  • 03-07-2019

Answer:

13.9 (Answer C)

Step-by-step explanation:

As we go from (-3, 9) to (9, 2), x increases by 12 and y decreases by 7.

Picture a triangle with base 12 and height 7,  Use the Pythagrean Theorem to find the length of the hypotenuse, which represents the distance between (-3, 9) and (9, 2):

distance = √(12² + 7²) = √(144 + 49) = √193.

To the nearest tenth, this distance is 13.9 (Answer C)

Answer Link

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